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Software Description:

Olark helps its users to engage visitors on their website using instant messengers while viewing real-time and contextually relevant customer information. They can see visitor location, geographic location, and even shopping cart balances and contents.
Users can give their customers the answers they need immediately and gain powerful insights about what they want for relationships that last.
Olark live chat is the easiest way to boost sales, help solve issues and understand customers.

Software Description:

Freshdesk is suited to any small or mid-sized business that requires a fully functional help or support department without the associated costs. Freshdesk is also suited to startups and freelancers, providing a free plan for unlimited number of agents.
Freshdesk provides a way to speed up customer support, automating certain laborious tasks such as sifting through requests and allocation tickets. This solution helps businesses interested in reducing man hours who wish to enable their staff to focus on just the most important tasks.

Freshdesk includes out-of-the-box integrations with many popular business applications like CRM systems, invoicing tools, and eCommerce solutions, among others.
It is also tightly integrated with Google Apps including Analytics, Contacts, Calendar, Hangouts, Drive, and Gmail.
Some of the integrations include but not limited to Salesforce,Freshsales,Pipedrive, Dropbox, Shopify, Magento, Hubspot, Microsoft Dynamic CRM, Facebook, Twitter, Slack, Segment

Does this service offer guides, tutorials and or customer support?

Yes. This service offers guides, tutorials and customer support across all levels.